30" X 36" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLE Material_Polished Aluminum Design – The W-shaped pleats

Design – The W-shaped pleats increase the surface area

actual front end outer dimensions are approximately 16 5/8" width X 32 5/8" height

Design – The product is designed to convert ductwork into a vent to heat a room

Versatile Compatibility: Our ceiling grills aren't limited to just T bar drop ceilings

+ Product Details Size & Compatibility – The 7" galvanized steel round side take-off is compatible with duct 7"

30" X 36" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLE Material_Polished Aluminum Design – The W-shaped pleats+ Product Details Size 30"w X 36"h is the size for the duct opening measurement only, [Outer Dimensions: 32. 5"w X 38. 5"h] Actual Filter Size 29 3 4"w x 35 3 4" x 1" High Quality High quality rust free, strong aluminum construction with smooth finished edges for easy and safe use; Filter grille features a user friendly plastic latch that requires no screwdriver for opening. Installation Location Sidewall and ceiling. Design Heavier gauge than needed,